Where to Find Yellow Jasper in the United States

4 mapped yellow jasper spots across 4 U.S. states. Yellow Jasper is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.

Learn about yellow jasper: properties & identification →

Map showing where to find yellow jasper across the United States, with 4 mapped spots

Top states for yellow jasper

States ranked by number of yellow jasper spots in our database. States in bold link to a focused yellow jasper-in-state list.

Every yellow jasper spot we track

Sorted by state and county. Coordinates open in Google Maps.

SpotCountyMineralsCoordinatesAccess
Williams County138th Avenue NorthwestWilliams County
  • Montana Moss Agate
  • Red Jasper
  • Yellow Jasper
48.1154, -103.7079Public
MarlborovilleNorth Dietz Mill RoadMontgomery County
  • Red Jasper
  • Brown Jasper
  • Yellow Jasper
  • Sapphire
40.3480, -75.4109Public
FairburnCuster County43.6683, -103.0269Public
WorlandWashakie County43.9624, -107.8925Public

Yellow Jasper rockhounding FAQ

Where is the best place to find yellow jasper in the U.S.?+
North Dakota, Pennsylvania, South Dakota have the highest concentrations of yellow jasper in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many yellow jasper rockhounding spots does RockHoundR track?+
4 mapped spots across 4 states. The app keeps these on a map alongside your private finds.
Can I legally collect yellow jasper on public land?+
Casual hand collecting of common rocks and minerals like yellow jasper is allowed on most BLM and U.S. Forest Service land, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always check with the managing agency before a trip.
How do I identify yellow jasper in the field?+
Field identification of yellow jasper comes down to color, hardness, fracture, and luster. The RockHoundR app links to geology details for each spot to help narrow down what you might be picking up.

Hunt yellow jasper on the map

Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.

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